The metal puzzles toy contains rich & changeable knowledge of symbolic logic.The toy, which can please body & mind, develop thought & thinking, benefit wit & brain, makes people much smarter and cleverer. Meanwhile, it fits both the young and the old to enjoy themselves. The metal puzzles toy looks very simple, for example, it is not easy to separate two winding ferrous nails which are clasping together and it needs you rack your brains and make every efforts. If you don’t believe,please have a try it ,it is good for your intelligence!
Do it with your hands and brains, and test your intelligence.